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Tag: NTSC

hd test pattern

What is the difference between 4k, HD & SD video

February 8, 2018October 29, 2019 Kevin Lamoureux Leave a comment

Since the early 1990s there has been a gradual transition from Standard Definition 4:3 screen ratio to digital video and an upgraded resolution to improve picture quality on larger screens. The broadcast and streaming standard is now HD (High Definition) in the 16:9 aspect ratio with some providers offering Ultra-HD, 4k or even 8k.

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